BA / Mbed OS BaBoRo_test2

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mbed-os/drivers/SPISlave.cpp@0:02dd72d1d465, 2018-04-24 (annotated)

Committer:
borlanic
Date:
Tue Apr 24 11:45:18 2018 +0000
Revision:
0:02dd72d1d465
BaBoRo_test2 - backup 1

Who changed what in which revision?

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borlanic 0:02dd72d1d465 1 /* mbed Microcontroller Library
borlanic 0:02dd72d1d465 2 * Copyright (c) 2006-2013 ARM Limited
borlanic 0:02dd72d1d465 3 *
borlanic 0:02dd72d1d465 4 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:02dd72d1d465 5 * you may not use this file except in compliance with the License.
borlanic 0:02dd72d1d465 6 * You may obtain a copy of the License at
borlanic 0:02dd72d1d465 7 *
borlanic 0:02dd72d1d465 8 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:02dd72d1d465 9 *
borlanic 0:02dd72d1d465 10 * Unless required by applicable law or agreed to in writing, software
borlanic 0:02dd72d1d465 11 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:02dd72d1d465 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:02dd72d1d465 13 * See the License for the specific language governing permissions and
borlanic 0:02dd72d1d465 14 * limitations under the License.
borlanic 0:02dd72d1d465 15 */
borlanic 0:02dd72d1d465 16 #include "drivers/SPISlave.h"
borlanic 0:02dd72d1d465 17
borlanic 0:02dd72d1d465 18 #if DEVICE_SPISLAVE
borlanic 0:02dd72d1d465 19
borlanic 0:02dd72d1d465 20 namespace mbed {
borlanic 0:02dd72d1d465 21
borlanic 0:02dd72d1d465 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
borlanic 0:02dd72d1d465 23 _spi(),
borlanic 0:02dd72d1d465 24 _bits(8),
borlanic 0:02dd72d1d465 25 _mode(0),
borlanic 0:02dd72d1d465 26 _hz(1000000)
borlanic 0:02dd72d1d465 27 {
borlanic 0:02dd72d1d465 28 spi_init(&_spi, mosi, miso, sclk, ssel);
borlanic 0:02dd72d1d465 29 spi_format(&_spi, _bits, _mode, 1);
borlanic 0:02dd72d1d465 30 spi_frequency(&_spi, _hz);
borlanic 0:02dd72d1d465 31 }
borlanic 0:02dd72d1d465 32
borlanic 0:02dd72d1d465 33 void SPISlave::format(int bits, int mode) {
borlanic 0:02dd72d1d465 34 _bits = bits;
borlanic 0:02dd72d1d465 35 _mode = mode;
borlanic 0:02dd72d1d465 36 spi_format(&_spi, _bits, _mode, 1);
borlanic 0:02dd72d1d465 37 }
borlanic 0:02dd72d1d465 38
borlanic 0:02dd72d1d465 39 void SPISlave::frequency(int hz) {
borlanic 0:02dd72d1d465 40 _hz = hz;
borlanic 0:02dd72d1d465 41 spi_frequency(&_spi, _hz);
borlanic 0:02dd72d1d465 42 }
borlanic 0:02dd72d1d465 43
borlanic 0:02dd72d1d465 44 int SPISlave::receive(void) {
borlanic 0:02dd72d1d465 45 return(spi_slave_receive(&_spi));
borlanic 0:02dd72d1d465 46 }
borlanic 0:02dd72d1d465 47
borlanic 0:02dd72d1d465 48 int SPISlave::read(void) {
borlanic 0:02dd72d1d465 49 return(spi_slave_read(&_spi));
borlanic 0:02dd72d1d465 50 }
borlanic 0:02dd72d1d465 51
borlanic 0:02dd72d1d465 52 void SPISlave::reply(int value) {
borlanic 0:02dd72d1d465 53 spi_slave_write(&_spi, value);
borlanic 0:02dd72d1d465 54 }
borlanic 0:02dd72d1d465 55
borlanic 0:02dd72d1d465 56 } // namespace mbed
borlanic 0:02dd72d1d465 57
borlanic 0:02dd72d1d465 58 #endif